The latest ultrasonic technology New electromagnetic and ultrasonic frequencies to better disturb and irritate the nervous system of pests, which can effectively expel mice, cockroaches, ants, spiders, pests, mosquitoes, insects, flies, fleas and other annoying household pests. Wide effective range The ultrasonic repeller produces effects in an area of up to 80,120 square meters. Since ultrasonic walls and solid objects cannot penetrate, it is recommended to place them in a room. For best results, it is recommended to install 1 unit for each room or multiple units for large areas. Safe for children and pets This pest repeller is safe for humans and our pets such as cats and dogs. Non-toxic, odorless, chemical-free, radiation-free, less power consumption, noise-free. Our device hunts insects and rodents, creating an unfavorable environment for them. It is a purely physical and 100% harmless exterminator. Easy to use The ultrasonic insect repellent is easy to carry, just plug the insect repellent into an electrical outlet and you are good to go, then the LED light will turn on. Be sure to install it vertically 80 120 cm from the ground. And make sure there are no barriers, such as curtains or cabinets, covering the front of the repeller. 100% Satisfaction Guarantee This ultrasonic mouse repeller can repel insects, mice, cockroaches, ants and spiders, rodents, etc. Most clients can see results within 3-4 weeks.